PROGRAMMING NOTE: Watch CNN Original Series “Live Aid: When Rock ’n’ Roll Took On the World,” celebrating the definitive story of how two rockstars inspired the largest global music events in history.

From Katy Perry and former Prime Minister Justin Trudeau to Ben Stiller and Russell Crowe Montreal is seeing its fair share of famous faces ...

(CNN) — Paul McCartney hadn’t taken the stage in over five years when he sat down at his piano to sing “Let It Be” for Live Aid on July 13, 1985, in a performance that was almost totally derailed by a ...